Not Function Block; Figure 60 Not Function Block Example - Honeywell HC900 Reference Manual

Function Blocks

NOT Function Block

NOT Function Block
Description
The NOT label stands for the NOT Boolean logic function or Logic Inverter .
This block is part of the Logic and Fast Logic categories..
Function
Reverse state of a digital input (X).
•
OUT = Opposite state of X
If X = ON, then: OUT = OFF .
IF X = OFF, then: OUT = ON .
Input
X = Digital signal
Output
OUT = Complement of input signal
Block properties
Double click on the function block to access the function block properties dialog box.
Example
F igure 60 shows a Function Block Diagram using a NOT function block. Use a single input to place a loop
H
in manual when the input is ON (1) and return to Auto when OFF (0).
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Figure 60 NOT function block example

HC900 Hybrid Control Designer Function Block Reference Guide Revision 11
2/07